package STC02;


import java.util.Scanner;
import java.io.FileInputStream;

class solution {
	static int N;
	static int [] Si = new int[300005];

	public static void main(String args[]) throws Exception	{
		Scanner sc = new Scanner(System.in);
		sc = new Scanner(new FileInputStream("input.txt"));

		int T = sc.nextInt();
		for(int tc = 0; tc < T; tc++) {
			N = sc.nextInt();
			for(int i=1;i<=N;i++)
			{
				Si[i] = sc.nextInt();
			}
			
         
			/**********************************
			*  Implement your algorithm here. *
			***********************************/

			// Print the answer to standard output(screen).
			
			System.out.println();
		}
	}
}
